Daejoo Electronic Materials

Daejoo Electronic Materials, established in 1981, specializes in advanced battery and electronic materials. As South Korea’s sole mass-producer of silicon anodes, it drives innovation across EV, IT, and industrial applications.

Company Location

Country:

Republic of Korea

City:

Siheung-si, Gyeonggi-do

Share This Company

Company Overview

Daejoo Electronic Materials, founded in 1981, is a prominent electronic materials company specializing in advanced materials for the secondary battery and electronic industries. Located in Siheung-si, Gyeonggi-do, Republic of Korea, it is listed on KOSDAQ and supplies critical components for IT, automotive, and industrial electronics. The company is committed to innovation, quality, and sustainable growth, aiming to be a leader in material solutions for a global clientele.

Battery Technology

Mass producer of silicon anode materials for lithium-ion batteries, offering 1300–1700 mAh/g energy capacity versus 350 mAh/g with carbon. Their silicon-based anodes enable faster charging and longer battery life. They also manufacture conductive pastes and powders for electrode production, supporting premium EVs, consumer electronics, and large-scale energy storage.

Products

Silicon anode materials for lithium-ion batteries (1300–1700 mAh/g), conductive pastes, and conductive powders for electrode manufacturing, used in EVs, consumer electronics, and energy storage systems.

Recent Projects

Scaled annual silicon anode production from 1000t in 2021 to 3000t by 2024; opened a silicon oxide production facility at Sihwa Multi Techno Valley (2018) for 150t/month output; partnered with Epsilon Advanced Materials on silicon-graphite composite R&D (2024), facilitated by Nagase & Co.

Investors

Daejoo Electronic Materials’ ownership structure: General public holds 51.0–53.0%; Lim family holds around 21.0%; National Pension Service holds 18.0–19.0%. Other investors include IMM Private Equity. Previous funding was provided by Samsung Securities, KB Securities, and NH Investment & Securities.

Subscribe to Newsletter

Logo_Battery-Tech-Network_Thumbnail

Subscribe To Our
Weekly Newsletter​

Logo_Battery-Tech-Network_Thumbnail

Let's connect

and Find Out How We Can Support Your Business